news

한어Русский языкEnglishFrançaisIndonesianSanskrit日本語DeutschPortuguêsΕλληνικάespañolItalianoSuomalainenLatina

on september 22, the 2024 china new energy vehicle parts fair kicked off at the hubei shiyan international convention and exhibition center, the capital of china's commercial vehicles. as the largest, highest-standard and best-trading trade fair in central and western china, this event, with the theme of "green momentum, intelligent future", held a series of activities including the opening ceremony, project signing, seminars, industrial chain and supply chain matchmaking meetings, rv carnivals, and achievement releases. guests from well-known experts in the automotive industry, senior executives of well-known domestic and foreign vehicle and parts companies, rv industry representatives, automotive parts market representatives, business associations, purchasing groups, etc. were invited to conduct in-depth exchanges and discussions on topics such as new energy, intelligent networking, "vehicle-road-cloud integration", and automobile exports.

liu yanhong, director and deputy secretary of the party committee of dongfeng motor group, zhou xianpeng, assistant to the general manager of dongfeng motor group and chairman of dongfeng commercial vehicle, wang long, head of the preparatory group of the party committee of dongfeng motor group's spare parts division and deputy general manager, and zhang da, assistant to the deputy general manager of dongfeng commercial vehicle, attended the event. dongfeng commercial vehicle brought a number of new energy vehicles and longqing power chain products to the event. these exhibits not only represent the latest scientific and technological achievements of dongfeng commercial vehicle in the field of new energy, but also present a green technology feast for visitors.

pure electric power drives a new trend of green energy

as the flagship models of dongfeng commercial vehicles, dongfeng tianlong kl and dongfeng tianjin kr have excellent performance and wide applicability. they have long been at the top of the sales rankings since they were launched. in this exhibition, the new energy models of these two vehicles took the lead, showing dongfeng commercial vehicles' determination to innovate technology and practice green development. the first is the dongfeng tianjin kr pure electric truck equipped with dana electric drive axle 2-speed amt. the battery capacity of the vehicle is 162kwh, the peak power of the motor reaches 160kw, and it uses single-gun dc. the charging time can be controlled within 1 hour, which greatly solves the problem of long-term charging of electric vehicles.

the dongfeng tianlong kl pure electric tractor uses suzhou green control electric drive axle with df400a rear axle, which can ensure its stability and reliability under full load conditions; it uses catl batteries with a capacity of 423kwh and a motor peak power of 450kw, which is powerful and has a long battery life. the vehicle is also equipped with an electronic braking system (ebs), an electronic stability program (esc), a lane departure warning system (ldws), and a forward collision warning system (fcws), which provide all-round safety protection through mutual cooperation. another dongfeng tianlong kl hybrid tractor is also equipped with catl batteries and cooperates with longqing's self-developed ddi11 engine. the motor peak power reaches 337kw+150kw, which is more conducive to achieving a balance between fuel economy, cruising range and environmental protection.

on the other hand, dongfeng commercial vehicles has also spared no effort in the new energy transformation in the field of special vehicles. the dongfeng tianlong kc pure electric engineering vehicle, dongfeng tianjin kr pure electric sanitation vehicle, and dongfeng tianlong kc pure electric mixer truck presented at this exhibition are of great significance for promoting the transformation and upgrading of the entire industry towards new energy. it is worth mentioning that the dongfeng tianlong kc pure electric engineering vehicle combines catl batteries, green control 4-speed amt, and handman 300 rear axle, combining the advantages of electric motors and the flexibility of multi-speed gearboxes, helping the vehicle to maintain a more efficient operating range even during frequent acceleration or climbing operations. at the same time, the vehicle battery capacity reaches 423kwh, the motor peak power reaches 450kw, the power performance is comparable to heavy trucks, and the cruising range is further optimized.

longqing's independent powertrain layout for the green future of commercial vehicles

at the trade fair, dongfeng commercial vehicle also exhibited the latest achievements of its self-developed powertrain brand longqing power, which attracted the attention of many industry experts, media reporters and potential customers. since its birth in 2019, dongfeng longqing power has firmly implemented the brand declaration of "technology drives dreams and reliably creates value", taking the national vi technology as a new starting point, expanding from a single vehicle power to a full-category powertrain system with 7 engines covering the full horsepower range and 4 gearboxes iteratively renewed in accordance with the national vi standard. the exhibitors include the representative products of longqing, the dgi13 gas engine and the da12 gearbox, as well as the dongfeng dana electric drive axle created by dongfeng commercial vehicle and the century-old american dana. in addition, dongfeng commercial vehicle also exhibited hybrid motors and controllers, five-in-one controllers, new energy vehicle controllers, power domain controllers, representing new energy technology innovations, as well as ethernet gateways, autonomous ecas controllers, and shift actuators that improve the comfort of commercial vehicles.

applying key technical achievements such as equivalence ratio + cooling egr technology, efficient intelligent ignition, dongfeng patented turbulent combustion technology, efficient integrated hybrid technology, and dongfeng patented engine brake (deb) technology, dongfeng longqing dgi13 gas engine has a displacement of 12.9l, brings 480ps maximum power and 2300n･m maximum torque, and the lowest specific fuel consumption is 188g/kw･h, achieving high efficiency and low emissions. in addition to strong power and excellent economy, the b10 life of dgi13 reaches 1 million kilometers, and the longest oil change mileage reaches 50,000 kilometers, inheriting the consistent reliability of dongfeng longqing. at present, dongfeng longqing dgi13 gas engine has achieved large-scale application of technical achievements, injecting stable, powerful and economical longqing power into the resource transportation market.

dongfeng's independently developed new generation of intelligent amt transmission da12 adopts the world's leading fully integrated parallel shift actuator and direct-push separation clutch actuator, which has sufficient reliability and durability. it is developed based on the overall power chain and multi-scenario integrated calibration to achieve deep integration of the integrated power chain, making the shift operation smooth and comfortable, truly saving effort and fuel. equipped with the latest tcu processing chip and mainstream sensor technology in the market, it can accurately and quickly identify the vehicle's operating status, operating road conditions and driver's control intentions, provide good shift control logic, and fully guarantee the shift power and comfort.

the dongfeng dana ep17cs distributed independent suspension electric drive axle exhibited at the same venue is suitable for 8-9 meters low-entry pure electric buses. it creatively integrates the motor, suspension system and drive axle, reducing the complex components and space required for the traditional transmission system, improving the flexibility of the vehicle, and facilitating the realization of complex driving modes, so that the vehicle can remain stable even under complex road conditions, providing customers with a more comfortable driving experience. in terms of vehicle heavy-load performance, the maximum load range of a single axle is 7500--9500kg, the peak power of the front wheel motor is 140 kilowatts, the peak torque is 360n･m, and the peak power of the rear wheel is 60 kilowatts and the peak torque is 160n･m, ensuring that the vehicle can perform well under various driving conditions.

it is reported that this trade fair will last for three days until september 24, during which a number of special forums and technical exchange activities will be held. growing in the innovative soil of the automobile industry in shiyan, the automobile city, dongfeng commercial vehicle, relying on 55 years of automobile manufacturing heritage and guided by technological innovation, will continue to shoulder the mission of shiyan's urban development, actively accelerate the green transformation of the automobile industry and industrial chain, and use green kinetic energy to link the future blueprint of a more modern, green and intelligent automobile industry!